From 56ce5ac41af87c157cf4c6e4e6fec31d7d48025e Mon Sep 17 00:00:00 2001 From: Andreas Oberritter Date: Thu, 4 Aug 2011 12:33:12 -0300 Subject: [PATCH] [media] DVB: dvb_frontend: fix stale parameters on initial frontend event Modify it to use the data given by the user. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index efe9c30605e..23d79d0f25e 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1827,6 +1827,13 @@ static int dvb_frontend_ioctl_legacy(struct file *file, dtv_property_cache_sync(fe, c, &fepriv->parameters_in); } + /* + * Initialize output parameters to match the values given by + * the user. FE_SET_FRONTEND triggers an initial frontend event + * with status = 0, which copies output parameters to userspace. + */ + fepriv->parameters_out = fepriv->parameters_in; + memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings)); memcpy(&fetunesettings.parameters, parg, sizeof (struct dvb_frontend_parameters)); -- 2.39.5